Survival rate of patient with glioblastoma: a population-based study.

Introduction: Glioblastoma, as the most common and lethal primary malignant brain tumor, has estimated mean survival of 15 months. GBM is reported more in men. Malignant glioma is the cause of 2.5% of cancer deaths. The standard therapy for patients with newly diagnosed GBM includes tumor resection surgeries, followed by radiotherapy and chemotherapy. The prognosis of glioma is a major challenge, and the outcome of GBM has remained almost unchanged for past years. The present study aimed to determine patient survival. Methods: Patients with glioblastoma tumors who visited Al-Zahra and Kashani hospitals from 2013 to 2021 were included in this study. All patients were classified with morphological codes according to the International Classification of Diseases for Oncology. The patients' information was recorded in the checklist, and then, the patients were followed up by phone. The data were measured regarding age, gender, exposure to chemicals, body mass index (BMI), and survival from the patient's surgery to death. Several questions were asked from the families of deceased patients and survivors based on the KPS Status Scale. Finally, the sample was analyzed with SPSS version 26. Result: The patient's mean age was 51.93 years, and the male–female ratio was 1:1.7. The patients' mean overall survival was 29 months and a total of 9 patients survived. There was a significant difference between the age groups in terms of 1-year survival so that more deaths were observed in the age group of more than 50 years. The mean tumor size was 5.2 ± 2.1 cm. The survival analysis indicated that the temporal lobe was more than the other in 2-year survival. The most common symptom of patients before surgery was headache (31.8%) followed by motor dysfunction. The 1-year, 2-year, 5-year, and overall survival of the patients was 4.5%, 18.38%, 37.13%, and 33.68%, respectively. Conclusions: The results of the present study indicated that the patients' survival improved over time with the advancement of adjuvant therapies. Therefore, if patients care get better for the first year after surgery, their survival will improve from the second year after the operation. [ABSTRACT FROM AUTHOR]

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